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Comment by open-meteo | Hacker News Reader

I’ve been building an open-source weather API over the past few years. It pulls in data from a wide range of global and local high-resolution weather models. The API is free to use without an API key, though there are commercial options available. I'm the sole owner behind it. No VC funding or outside backing.

The core tech is tuned for performance, using local gridded files instead of a traditional database or response caching. This efficiency is what allows it to stay free.

You can try it here: https://open-meteo.com

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Just wanted to say thank you for this service. I have a little homebrew clock I build from a Raspberry Pi and a small display in my bathroom. Below the time, it displays the weather forecast for the day so I know how to dress. That little clock has become an essential piece of my morning routine.

I switched to Open Meteo a few months ago when the previous API I was using quit working. It's been rock solid and such a nice user experience compared to everything else I tried.

Awesome, I will change https://weather.bingo to use this service; the previous paid API I used was too expensive to justify given I was the only real user :P.

Claude Code made short work of converting to Open Meteo and https://weather.bingo is BACK! great service, thanks!

Love open-meteo - no registration or API key required. Great for tutorials. I used it my upcoming O'Reilly book- use weather to predict air quality at the street level: https://github.com/featurestorebook/mlfs-book/

Just wanted to say, seeing you in the wild, thank you very much for the hard work you do on OpenMeteo.

Picked up a commercial license about 3 months ago, service is amazing and have been using it for helping to provide runtime data analysis and anomaly detection for smart home thermostats.

This is fantastic; thank you for it. The "try the API" page is also excellent!

So true, it is so awesome. I've just replaced my weather network bookmark with the open-meteo's "API Response" chart. I hope open-meteo doesn't mind :)

Have been meaning to look into OpenMeteo for https://luxweather.com

We've been using OWM but the One Call API quickly gets pricey when traffic spikes.

I use that in HomeAssistant. Love it!

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